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AfterQuery

AfterQuery is a research lab investigating AI capabilities through novel datasets and experimentation, serving frontier AI labs including every major foundation model developer. Backed by Y Combinator and top-tier investors, the company combines expertise from leading AI institutions and tech firms.

Backed by Altos Ventures, BoxGroup, Latitude Capital and 2 more

See 48 open roles

Work at AfterQuery?

Locations
San Francisco+3
Also Cambridge, California, Remote
Team size
51-200
Founded 2024
Total raised
$31M
Series B · last round Apr '26
Salary range
$10–450k
+ equity · 46 of 48 roles
Visa
Visa sponsorship
14 of 48 roles

Open positions · 48

Filter roles by location
San Francisco, CambridgeOn-site · 2–5 yrsVisa sponsorship
$260k - $290k+ equity
San FranciscoOn-site · 2–10 yrsVisa sponsorship
$150k - $275k+ equity
San FranciscoOn-site · 3–6 yrsVisa sponsorship
$225k - $250k+ equity
San FranciscoOn-site · 2–8 yrsH-1B Transfer Only
$150k - $200k+ equity
San FranciscoOn-site · 4–7 yrsH-1B Transfer Only
$150k - $225k+ equity
San Francisco, CambridgeOn-site · 2–8 yrsH-1B Transfer, O-1 & TN
$260k - $290k+ equity
San FranciscoOn-site
$220k–$250k/yr
Open
San FranciscoOn-site
$100k–$120k/yr
Open
San FranciscoOn-site
$120k–$170k/yr
Open

About AfterQuery

AfterQuery is a research lab founded in 2025 that investigates the boundaries and capabilities of artificial intelligence through novel datasets and experimentation. Based at afterquery.com with a team of 11-50 employees, the company serves frontier AI labs as its primary customers, with every major foundation model lab as a client. Backed by Y Combinator, BoxGroup, and investors from Lightspeed and Index Ventures alongside senior leadership from Google DeepMind and Meta GenAI, AfterQuery has achieved seed stage funding and ranks among the fastest-growing companies in its YC batch. The founding team brings deep expertise from leading institutions and firms including Jane Street, Meta, Citadel Securities, Google, Goldman Sachs, Morgan Stanley, Silver Lake, Berkeley AI Research, and Stanford AI Lab.

Culture & values

Founding team brings backgrounds from top-tier organizations including Jane Street, Meta, Citadel Securities, Google, Goldman Sachs, Morgan Stanley, Silver Lake, Berkeley AI Research (BAIR), and Stanford AI Lab (SAIL)

Senior leadership includes individuals from Google DeepMind and Meta GenAI

Funding

$31Mtotal raised

Mar '25Dec '25Apr '26
  • Sep 2026 · Series B
  • Apr 2026 · Series A
    $30M
  • Dec 2025 · AcceleratorY Combinator
    $500k
  • Mar 2025 · Pre-seed
    $500k
  • Altos Ventures
  • BoxGroup
  • Latitude Capital
  • Raine Ventures
  • Y Combinator

Company at a glance

Founded2024
Locations
San Francisco, United States ·Cambridge, United States ·California, United States
Websiteafterquery.com
LinkedInLinkedIn

The team at AfterQuery

51-200 peopleSee everyone on LinkedIn

Alana Chiang

Student at Stanford University

Spencer Mateega

Student at The Wharton School

Youssef Maged

Chief Executive Officer at GoKlips

Anthony Qin

Founder | AI @ Stanford | Prev @ LinkedIn, Meta, Notability

Arav Jain

Founder of NeuralBytes. ML student.

Team breakdown

Team Distribution

  • Business Operations & Management40%
  • Engineering38%
  • Sales & Business Development10%
  • Specialized7%
  • Leadership2%

Where the Team Studied

  1. 1.University of Pennsylvania
  2. 2.University of California, Berkeley
  3. 3.Cornell University
  4. 4.Harvard University
  5. 5.McGill University

Team Worked At

  • Morgan Stanley
  • Goldman Sachs
  • Meta
  • Google
  • McKinsey & Company

Location

Team Composition

187 people
  • Engineering and Technical3 senior56
  • Consulting5 senior19
  • Project Management19
  • Research1 senior19
  • Finance & Accounting10
  • Operations3 senior10
  • Marketing7
  • General Management5 senior6

Life at AfterQuery

Frequently asked questions

Of 48 open roles, AfterQuery has 1 remote, 47 on-site positions.

AfterQuery is based in San Francisco, Cambridge, California.

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